P

Inventor

KOBAYASHI SEIZO

JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOBAYASHI SEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON OIL CO LTD

15 patents
US5578373ANov 26, 1996

Split polyethylene stretched material and process for producing the same

NIPPON OIL CO LTD125 citations97
US5200129AApr 6, 1993

Process for continuous production of polyolefin material

NIPPON OIL CO LTD71 citations95
US5106555AApr 21, 1992

Process for the continuous production of high-strength and high-modulus polyethylene material

NIPPON OIL CO LTD78 citations95
US5091133AFeb 25, 1992

Continuous production process of high-strength and high-modulus polyolefin material

NIPPON OIL CO LTD106 citations95
US4879076ANov 7, 1989

Process for the production of polyethylene materials

NIPPON OIL CO LTD39 citations93
US5723388AMar 3, 1998

Prepreg of ultra-high-molecular-weight polyethylene

NIPPON OIL CO LTD24 citations92
US4822855AApr 18, 1989

Thermoplastic elastomer compositions

NIPPON OIL CO LTD30 citations92
US5756660AMay 26, 1998

Process for producing polyethylene material of high strength and high plastic modulus

NIPPON OIL CO LTD27 citations91
US5693708ADec 2, 1997

Colored stretched polyethylene material and process for producing the same

NIPPON OIL CO LTD20 citations91
US5445883AAug 29, 1995

Laminate

NIPPON OIL CO LTD36 citations90
US5612125AMar 18, 1997

Process for producing prepreg

NIPPON OIL CO LTD13 citations73
US5026511AJun 25, 1991

Process for the production of polyethylene materials

NIPPON OIL CO LTD9 citations73
US4895903AJan 23, 1990

Thermoplastic elastomer compositions

NIPPON OIL CO LTD14 citations73
US4775722AOct 4, 1988

Thermoplastic elastomer compositions

NIPPON OIL CO LTD10 citations73
US4929680AMay 29, 1990

Preparation method of masterbatch composition for thermoplastic resin modification

NIPPON OIL CO LTD7 citations66

NIPPON PETROCHEMICALS CO LTD

1 patent